8IO5

Herg1a-herg1b closed state 2

• PDB DOI: https://doi.org/10.2210/pdb8IO5/pdb
• EM Map EMD-35608: EMDB EMDataResource

• Classification: MEMBRANE PROTEIN
• Organism(s): Homo sapiens
• Expression System: Homo sapiens
• Mutation(s): No 
• Membrane Protein: Yes  PDBTMMemProtMD


• Deposited: 2023-03-10 Released: 2024-03-13 
• Deposition Author(s): Zhang, M.F.
• Funding Organization(s): Not funded

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.80 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Structure of Herg1a-herg1b open state

Zhang, M.F.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C4  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content

• Total Structure Weight: 507.21 kDa 
• Atom Count: 13,736 
• Modelled Residue Count: 1,724 
• Deposited Residue Count: 4,636 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Potassium voltage-gated channel subfamily H member 2	A, B, C, D	1,159	Homo sapiens	Mutation(s): 0  Gene Names: KCNH2 Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for Q12809 (Homo sapiens) Explore Q12809  Go to UniProtKB:  Q12809
PHAROS:  Q12809 GTEx:  ENSG00000055118

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.80 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-03-13 
Deposition Author(s): Zhang, M.F.

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Funding Organization	Location	Grant Number
Not funded		--

Revision History  

• Version 1.0: 2024-03-13
  Type: Initial release